Audio System

The Klark Teknik DW 20T and DW 20R are professional wireless audio transmission solutions designed for modern sound systems. DW 20T (Transmitter): Sends audio signals wirelessly DW 20R (Receiver): Receives the transmitted audio signal

After years of use, many churches begin experiencing audio issues such as unclear sermons, lack of detail in choir performances, or frequent feedback problems. When these challenges arise, one question is asked more than any other: should the speakers or the microphones be upgraded first? At first glance, this may seem like a simple equipment decision. In reality, choosing the wrong upgrade priority can increase costs significantly while delivering only minimal improvements.

When a church sound system starts experiencing issues such as poor speech clarity, microphone feedback, or inconsistent volume levels, many parishes immediately consider purchasing new equipment or replacing the entire system. While this approach may seem logical, large investments do not always produce better results. In many cases, unnecessary expenses could have been avoided if the real cause of the problem had been identified from the beginning.

Many churches encounter a common situation: standing near the choir, the singing sounds rich, balanced, and inspiring. However, once the sound is amplified through the church audio system, much of that natural quality seems to disappear. The result may sound thinner, less balanced, or lacking the harmony that listeners hear directly from the choir area. This often leads people to believe that the choir needs more practice or that the audio equipment is not good enough. In reality, the issue is frequently related to how the sound system captures and reproduces the choir’s performance.

As church choirs grow in size and congregations seek better sound quality, a common question often arises: should every choir member have their own microphone? The answer is not always straightforward. In most cases, the overall effectiveness of a church sound system depends more on microphone placement, choir arrangement, and acoustic conditions than on the total number of microphones installed.

When a sound system begins to exhibit issues such as poor speech intelligibility, frequent microphone feedback, or uneven sound levels across different seating areas, the first solution many parishes consider is replacing loudspeakers or purchasing additional equipment. However, investing in new gear without properly identifying the root cause can increase costs while delivering less improvement than expected. In practice, the most important step before upgrading a church sound system is to accurately determine where the problem actually lies. This assessment helps ensure that any investment is both effective and aligned with the real needs of the system.

Many parishes invest hundreds of millions, or even billions, of Vietnamese dong in their sound systems, yet still receive familiar feedback such as: "speech is unclear," "the sound is too reverberant," "the choir lacks balance," or "the microphones frequently cause feedback." This highlights an important reality: audio performance depends not only on the quality or cost of the equipment, but also on how the entire system is designed, integrated, and implemented.

After learning about delay loudspeakers, many parishes often ask: if additional loudspeakers have already been installed in the middle or rear sections of the church, why is a DSP still necessary? In reality, delay loudspeakers are only the physical part of the solution. The DSP is what ensures the entire system operates in sync, delivering the speech intelligibility and coverage required throughout the congregation.

A church with a length of approximately 50 meters presents significantly greater acoustic challenges than most conventional spaces. If the sound system is not properly designed, congregants seated in the rear sections may struggle to clearly understand sermons and readings, even when the overall sound level is more than adequate.

Many churches continue to experience issues such as lower sound levels, reduced speech intelligibility, or a sense of echo and unnatural sound in the rear seating areas, even after upgrading their loudspeaker systems. In many cases, the problem is not the quality of the loudspeakers themselves, but rather a system design that does not adequately account for the length of the building. This is where the use of delay loudspeakers should be considered as part of the overall sound system design.